diff --git a/Containerfile.multiarch b/Containerfile.multiarch
index 54b3039..7592eb1 100644
--- a/Containerfile.multiarch
+++ b/Containerfile.multiarch
@@ -40,7 +40,7 @@ ENV FLUX_VERSION="${FLUX_VERSION:-v2.2.3}"
 ENV PIPX_HOME=/opt/pipx
 ENV PIPX_BIN_DIR=/usr/local/bin
 
-RUN apk --update add curl tar bash python3 pipx findutils git && \
+RUN apk --update add curl tar make bash python3 pipx findutils git && \
     apk --no-cache upgrade libcrypto3 libssl3 && \
     pipx install --include-deps flux-local=="$FLUX_LOCAL_VERSION" && \
     pipx inject flux-local PyYAML && \
@@ -48,6 +48,7 @@ RUN apk --update add curl tar bash python3 pipx findutils git && \
     curl -SsfL -o /usr/local/bin/kubectl "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/${TARGETOS}/${TARGETARCH}/kubectl" && \
     curl -SsfL -o /usr/local/bin/kubectl-convert "https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/${TARGETOS}/${TARGETARCH}/kubectl-convert" && \
     curl -SsfL -o /usr/local/bin/yq "https://github.com/mikefarah/yq/releases/download/${YQ_VERSION}/yq_${TARGETOS}_${TARGETARCH}" && \
+    curl -SsfL -o /usr/local/bin/openapi2jsonschema "https://raw.githubusercontent.com/yannh/kubeconform/${KUBECONFORM_VERSION}/scripts/openapi2jsonschema.py" && \
     curl -SsfL "https://get.helm.sh/helm-${HELM_VERSION}-${TARGETOS}-${TARGETARCH}.tar.gz" \
         | tar xz --strip-components=1 -C /usr/local/bin "${TARGETOS}-${TARGETARCH}/helm" && \
     curl -SsfL "https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2F${KUSTOMIZE_VERSION}/kustomize_${KUSTOMIZE_VERSION}_${TARGETOS}_${TARGETARCH}.tar.gz" \
@@ -61,6 +62,7 @@ RUN apk --update add curl tar bash python3 pipx findutils git && \
     chmod 755 /usr/local/bin/kubectl && \
     chmod 755 /usr/local/bin/kubectl-convert && \
     chmod 755 /usr/local/bin/yq && \
+    chmod 755 /usr/local/bin/openapi2jsonschema && \
     chmod 755 /usr/local/bin/helm && \
     chmod 755 /usr/local/bin/kustomize && \
     chmod 755 /usr/local/bin/kubeconform && \
diff --git a/README.md b/README.md
index 2f77ee5..c175e92 100644
--- a/README.md
+++ b/README.md
@@ -18,13 +18,18 @@ Custom Kubernetes toolkit container based on Alpine.
 
 <!-- spellchecker-disable -->
 
+- curl
+- make
+- tar
+- git
 - yq
 - helm
 - kubectl
 - kubeconform
 - kustomize
 - flux-local
-- Fairwinds Polaris
+- polaris
+- openapi2jsonschema
 
 <!-- spellchecker-enable -->